WO2024000085A1 - 电池及用电装置 - Google Patents

电池及用电装置 Download PDF

Info

Publication number
WO2024000085A1
WO2024000085A1 PCT/CN2022/101393 CN2022101393W WO2024000085A1 WO 2024000085 A1 WO2024000085 A1 WO 2024000085A1 CN 2022101393 W CN2022101393 W CN 2022101393W WO 2024000085 A1 WO2024000085 A1 WO 2024000085A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
protective
box
battery cell
present application
Prior art date
Application number
PCT/CN2022/101393
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
陈兴地
王鹏
龙超
Original Assignee
宁德时代新能源科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宁德时代新能源科技股份有限公司 filed Critical 宁德时代新能源科技股份有限公司
Priority to EP22948210.4A priority Critical patent/EP4395033A1/en
Priority to PCT/CN2022/101393 priority patent/WO2024000085A1/zh
Priority to KR1020247010672A priority patent/KR20240049622A/ko
Priority to CN202280005916.9A priority patent/CN116325320A/zh
Priority to KR1020247018661A priority patent/KR20240099426A/ko
Priority to PCT/CN2023/070125 priority patent/WO2023155620A1/zh
Priority to CN202380008512.XA priority patent/CN116848705A/zh
Priority to CN202380008510.0A priority patent/CN116868417B/zh
Priority to PCT/CN2023/070126 priority patent/WO2023155621A1/zh
Priority to CN202380008506.4A priority patent/CN116686151A/zh
Priority to PCT/CN2023/070129 priority patent/WO2023160252A1/zh
Priority to KR1020247018342A priority patent/KR20240096639A/ko
Priority to CN202320014583.8U priority patent/CN219203337U/zh
Priority to CN202320014525.5U priority patent/CN219575787U/zh
Priority to CN202320156067.9U priority patent/CN219998375U/zh
Publication of WO2024000085A1 publication Critical patent/WO2024000085A1/zh

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258Modular batteries; Casings provided with means for assembling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/102Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/242Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/271Lids or covers for the racks or secondary casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • H01M50/317Re-sealable arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/588Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593Spacers; Insulating plates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Definitions

  • the present application relates to the field of batteries, and in particular to a battery and an electrical device.
  • This application provides a battery and an electrical device, in which the battery has high top strength and can improve the safety factor.
  • the application provides a battery, including: a box with an opposite top and bottom along a first direction; a battery cell that is placed upside down in the box and connected to the top; the battery cell includes an electrode terminal, and the electrode terminal Disposed away from the top in the first direction; a bus component for electrically connecting with the electrode terminals of at least two battery cells; a protective component disposed between the bottom and the bus component, the protective component being used to support the battery cells and enable the battery Single unit and bottom insulation settings.
  • the battery cells in the battery provided by the embodiments of the present application are placed upside down inside the box, and the flat bottom surface of the battery cell without electrode terminals is connected to the top of the box, and a user is provided between the battery cell and the bottom of the box.
  • the supporting protective component can prevent the electrode terminals and other components in the battery cell from colliding with other components when the battery is impacted by the outside world, and the battery cell is connected to the top of the box, which can prevent the battery cell from colliding with other components when the battery is impacted by the bottom. There is a collision between the body and the top of the box, which can effectively improve the strength of the top of the battery and ensure the overall safety of the battery.
  • the battery cells are bonded and fixed to the top.
  • the strength of the top of the battery can be further increased by bonding the bottom to the top of the battery.
  • the top includes a top plate and a frame.
  • the frame is arranged around a plurality of battery cells, and the frame is used to connect the top plate and the bottom.
  • the frame surrounding the battery cell can provide side protection for the battery cell and improve safety.
  • the protective assembly includes a plurality of protective members extending along the second direction.
  • the plurality of protective members are spaced apart in the third direction.
  • the battery cells are in contact with the protective members.
  • the first direction and the second direction and third directions set to intersect each other.
  • the protective assembly may include a plurality of protective pieces that are respectively in contact with multiple battery cells to maintain a certain distance between the battery cells and the bottom of the box to reduce the impact of bottom impact on the battery.
  • the orthographic projection of the electrode terminal on the bottom is located between the orthographic projections of adjacent protective elements on the bottom. After the battery cells are set up by the protective components, allowing the electrode terminals to fall between adjacent protective components can prevent the electrode terminals from being damaged by impact.
  • the plurality of protective elements include edge protective elements, first protective elements and second protective elements.
  • the edge protective elements are disposed on both sides of the battery cell components arranged in an array.
  • the first protective piece and the second protective piece are distributed alternately between the two edge protective pieces.
  • the extension length of the first protective component is greater than the extension length of the second protective component.
  • Connectors used to electrically connect the battery cells to each other in the bus component can be disposed between the second protective pieces with a shorter extension length, so as to provide protection for the connectors through the protective assembly and improve the reliability of the electrical connection.
  • the width of the first protective member is greater than the width of the second protective member, and the width of the second protective member is greater than the width of the edge protective member.
  • Each first protective piece can be in contact with two adjacent battery cells at the same time to improve processing efficiency.
  • the extension length of the protective component in the first direction is greater than 1.5 mm. Extending the protective component beyond a certain length in the first direction can effectively improve the safety of the electrical performance inside the battery when the bottom of the battery is impacted.
  • the protective assembly further includes a connecting plate, and a plurality of protective pieces are respectively disposed on the surface of the connecting plate facing the top.
  • Multiple protective components can be connected to the connecting plate.
  • the connecting plate can stabilize the relative position between the multiple protective components and improve the insulation performance between the bus part and the bottom of the box.
  • the frame and the top plate are connected by welding, hot-melt self-tapping, adhesive, fastener, or integrally formed.
  • the frame and the top plate can be fixedly connected or integrally formed to improve the connection strength of the overall structure.
  • the protective component and the battery cell are bonded and fixed.
  • the lower end of the battery cell can be bonded and fixed with the protective component to further improve the overall connection strength.
  • the battery cell further includes a pressure relief mechanism, and the pressure relief mechanism is provided on the same side as the electrode terminal. Placing the pressure relief mechanism on the lower side of the battery cell can protect it together with the electrode terminals and improve safety.
  • the orthographic projection of the pressure relief mechanism on the bottom is located between the orthographic projections of the adjacent protective parts on the bottom. Similar to the electrode terminals, arranging the pressure relief valve between adjacent protective parts can reduce the probability of the pressure relief mechanism being impacted by a collision.
  • the protective component is made of insulating material, or the protective component is coated with an insulating coating.
  • the protective component can electrically insulate the bus components and the bottom of the box, preventing the bottom of the box from being affected by external stimuli and affecting the electrical connections between battery cells.
  • the battery further includes an adapter plate and an adapter.
  • the adapter plate is arranged on one side of the box and protrudes from the box.
  • the adapter plate is connected to the bottom to form a receiving portion.
  • the adapter It is arranged in the accommodating part and connected with the adapter plate. Disposing the adapter in the accommodating part can protect the adapter through the box and reduce the probability of the adapter being damaged by collision.
  • the present application provides an electrical device, including the battery according to any embodiment of the first aspect.
  • the battery module is placed upside down in the drop box, and the flat bottom surface of the battery module itself and the top of the battery box are connected and fixed to each other.
  • the protective component supports the battery cell, thereby improving the structural strength inside the battery and preventing safety problems when the battery is impacted or squeezed, thus improving the overall safety factor of the battery.
  • Figure 1 is a schematic structural diagram of a vehicle provided by some embodiments of the present application.
  • Figure 2 is a schematic structural diagram of a battery provided by some embodiments of the present application.
  • Figure 3 is an exploded view of a battery provided by an embodiment of the present application.
  • Figure 4 is a schematic structural diagram of the bottom provided by an embodiment of the present application.
  • Figure 5 is a schematic cross-sectional view of a battery provided by an embodiment of the present application.
  • Figure 6 is a schematic structural diagram of a battery cell provided by another embodiment of the present application.
  • Figure 7 is a schematic cross-sectional view of a battery provided by an embodiment of the present application.
  • Figure 8 is an enlarged view of area A in Figure 7;
  • Figure 9 is a schematic structural diagram of a protective component provided by an embodiment of the present application.
  • Figure 10 is a schematic structural diagram of a battery provided by another embodiment of the present application.
  • an embodiment means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application.
  • the appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art understand, both explicitly and implicitly, that the embodiments described herein may be combined with other embodiments.
  • multiple refers to more than two (including two).
  • multiple groups refers to two or more groups (including two groups), and “multiple pieces” refers to It is more than two pieces (including two pieces).
  • Power batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power and solar power stations, but are also widely used in electric vehicles such as electric bicycles, electric motorcycles and electric cars, as well as in many fields such as military equipment and aerospace. .
  • electric vehicles As the application fields of power batteries continue to expand, their market demand is also constantly expanding.
  • electric vehicles due to the large space required for batteries, existing electric vehicles usually have the battery installed in the chassis.
  • CTC cell to chassis integration
  • the existing integrated design of the battery and the chassis usually connects and fixes the bottom of the battery cell with the bottom of the battery box, and at the same time provides a connecting piece on the top to connect multiple battery cells to each other.
  • the top of the battery cell may collide with the top of the battery box, which may easily cause damage to the battery itself and the connectors. After being impacted, the When it is large, there is the possibility of fire and explosion, causing safety hazards.
  • the battery includes a box.
  • the box is sequentially provided with battery cells, bus components and protective components.
  • the battery cells are inverted.
  • the bottom of the battery cell is connected to the top of the box, thereby effectively improving the strength of the top of the battery box.
  • a protective component is installed between the battery cell and the bottom of the box, which can prevent the battery and the connectors between the batteries from colliding with the bottom, further improving the safety of the battery.
  • the electrical devices can be vehicles, mobile phones, portable devices, laptops, ships, spacecraft, electric toys and power tools, etc.
  • Vehicles can be fuel vehicles, gas vehicles or new energy vehicles, and new energy vehicles can be pure electric vehicles, hybrid vehicles or extended-range vehicles, etc.
  • spacecraft include aircraft, rockets, space shuttles, spaceships, etc.
  • electric toys include fixed Type or mobile electric toys, such as game consoles, electric car toys, electric ship toys and electric airplane toys, etc.
  • electric tools include metal cutting electric tools, grinding electric tools, assembly electric tools and railway electric tools, for example, Electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete vibrators, planers and more.
  • Electric drills Electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete vibrators, planers and more.
  • the batteries disclosed in the embodiments of the present application can be used in, but are not limited to, the aforementioned electrical devices such as vehicles, ships, or aircrafts.
  • the power supply system of the electrical device can be composed of the battery disclosed in this application. In this way, the impact of bottom impact on the battery can be avoided, and the safety and reliability of the battery can be improved.
  • the battery is used as a power battery for a vehicle as an example for description.
  • the present application is not limited thereto.
  • the battery provided by the embodiments of the present application can also be applied to In other scenarios where the bottom may be impacted, it is also protected together.
  • the following embodiments also take the electric device as a vehicle as an example.
  • FIG. 1 is a schematic structural diagram of a vehicle provided by some embodiments of the present application.
  • a battery 2000 is disposed inside the vehicle 1000 .
  • the battery 2000 may be disposed at the bottom, head, or tail of the vehicle 1000 .
  • the battery 2000 may be used to power the vehicle 1000 , for example, the battery 2000 may serve as an operating power source for the vehicle 1000 .
  • the vehicle 1000 may also include a controller 3000 and a motor 4000.
  • the controller 3000 is used to control the battery 2000 to provide power to the motor 4000, for example, to meet the power requirements for starting, navigation and driving of the vehicle 1000.
  • the battery 2000 can not only be used as an operating power source for the vehicle 1000 , but can also be used as a driving power source for the vehicle 1000 , replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000 .
  • Figure 2 is a schematic structural diagram of a battery provided by some embodiments of the present application.
  • Figure 3 is an exploded view of a battery provided by an embodiment of the present application.
  • Figure 4 is a schematic diagram of a battery provided by an embodiment of the present application.
  • Figure 5 is a schematic cross-sectional view of a battery provided by one embodiment of the present application, and
  • Figure 6 is a schematic structural diagram of a battery cell provided by another embodiment of the present application.
  • the present application provides a battery 2000, which includes a box 100, a battery cell 200, a bus part 300 and a protective assembly 400.
  • the box 100 has an opposite top 10 and a bottom 20 along the first direction Z, and the battery cell 200 is placed upside down.
  • the battery cells 200 include electrode terminals 30 , which are arranged away from the top 10 in the first direction Z; the busbar 300 is used to communicate with the electrode terminals of at least two battery cells 200 30 is electrically connected; the protection component 400 is disposed between the bottom 20 and the bus part 300 , and the protection component 400 is used to support the battery cell 200 and insulate the battery cell 200 from the bottom 20 .
  • the battery 2000 provided in the embodiment of the present application has a box 100 composed of a top 10 and a bottom 20 fastened together. Inside the box 100, battery cells 200, bus components 300 and The protective component 400 and the bus part 300 are respectively connected to the plurality of battery cells 200 and can form electrical connections between the plurality of battery cells 200.
  • the protective component is disposed between the battery cells 200 and the bottom 20 to enable the battery to A certain distance is maintained between the cell 200 and the bottom 20 , and the two are electrically insulated to avoid adverse effects on the battery cell 200 when the bottom 20 is impacted by external impact or electrical interference.
  • the box 100 includes a top 10 and a bottom 20.
  • the top 10 and the bottom 20 can be detachably connected, so that other components such as the battery cells 200 can be placed inside the box 100.
  • the detachable connection can be through screw connection, that is, a through hole penetrating the bottom 20 is provided at the position where the bottom 20 and the top 10 are connected, and corresponding screw holes are provided at the corresponding position of the top 10, and the connection is fastened by screws.
  • the top 10 can be integrally formed with components such as the vehicle chassis into which the battery 2000 is integrated, thereby further improving the strength of the box 100 and making the connection stable.
  • the box 100 in the embodiment of the present application is used to accommodate and protect internal components such as the battery cells 200.
  • the box 100 may have different structures.
  • the top 10 and the bottom 20 may be overlapped with each other to jointly define a cavity for accommodating the battery cell 200 and other components.
  • the top 10 can be a hollow structure with one end open
  • the bottom 20 can be a plate-like structure and cover the open side of the top 10 to form a corresponding cavity for accommodating components such as the battery cell 200; or
  • the top 10 and the bottom 20 can each be a hollow structure with one side open, that is, the interface between the top 10 and the bottom 20 can be located in the middle of the battery cell 200.
  • the open side of the top 10 is joined to the open side of the bottom 20 to form a Corresponding cavities are used to accommodate battery cells 200 and other components.
  • the top 10 and the bottom 20 can be in various shapes, such as a cylinder, a cuboid, etc., as long as they can match and connect with each other.
  • the top 10 and the bottom 20 in the embodiment of the present application can be connected through flanging, or a sealing member can also be provided at the connection, such as sealant, Seals, etc.
  • the battery cells 200 in the embodiment of the present application are used to store and provide electric energy.
  • Multiple battery cells 200 can be installed in the box 100 at the same time, and the multiple battery cells 200 can be arranged in an array.
  • the battery 2000 there may be a plurality of battery cells 200. If there are multiple battery cells 200, the multiple battery cells 200 can be connected in series, in parallel, or in mixed connection. Mixed connection means that the multiple battery cells 200 are connected in series and in parallel. Multiple battery cells 200 can be directly connected in series, parallel, or mixed together. Of course, multiple battery cells 200 can also be connected in series, parallel, or mixed to form a battery module, and then multiple battery modules can be connected in series or mixed. They are connected in parallel or mixed to form a whole, and are accommodated in the box 100 .
  • the battery cell 200 in the embodiment of the present application is installed in an inverted posture, that is, the flat bottom surface of the battery cell 200 opposite to the top where the electrode terminal 30 is provided is connected to the top 10 so that the electrode terminal 30 is located far away from the top 10 .
  • One side of the top 10 can effectively improve the structural strength of the top of the battery 2000, and by connecting the bottom of the battery cell 200 with the top 10, the space utilization inside the box 100 can be improved, thereby improving the overall battery 2000. energy density.
  • the bus component 300 in the embodiment of the present application is connected to the battery cell 200.
  • the bus component 300 can be a CCS (Cells Contact System) component, that is, an integrated wire harness composed of a flexible circuit board, a plastic structural member, a busbar, etc., with In order to form a required electrical connection relationship between the plurality of battery cells 200 , the battery cells 200 can be charged and discharged through the bus part 300 .
  • the bus component 300 in the embodiment of the present application may be welded to the electrode terminal 30 of the battery cell 200, so that the connection between the bus component 300 and the battery cell 200 is fixed.
  • the bus component 300 in the embodiment of the present application may include multiple components, each component is connected to the battery module composed of the battery cells 200, and then these components are electrically connected to form the required series/parallel/mixed connection relationship, or the bus component 300 in the embodiment of the present application can also be provided as a whole and connected to each battery cell 200 through the same component.
  • the protective component 400 in the embodiment of the present application is disposed between the bottom 20 and the bus part 300 to support the battery cells 200 . That is, the protective component 400 can be on the upper and lower sides respectively with the battery cells 200 not covered by the bus component 300 . Partial areas and the bottom 20 are in contact to provide supporting force in the first direction Z for the battery cell 200 . At the same time, the protective assembly 400 can prevent the battery cell 200 from contacting the bottom 20 with a certain gap, so that the bus part 300 connected to the battery cell 200 also maintains a certain distance from the bottom 20 and connects the bus part 300 to the bottom 20 .
  • the battery cells 200 are insulated from the bottom 20 to prevent the exposed bottom 20 from being disturbed by the external environment and causing electrical interference to the battery cells 200 and the bus components 300 .
  • the protective component 400 may have a flat surface extending perpendicular to the first direction Z, thereby providing another protective layer on the bottom 20 of the box 100 to further reduce the impact on the battery cell 200 when the bottom 20 is impacted. and the influence of bus component 300.
  • the battery cells 200 in the battery 2000 provided by the embodiment of the present application are placed upside down inside the box.
  • the overall performance of the battery 2000 can be improved.
  • a protective component 400 is provided between the bottom 20 of the box 100 and the bus part 300.
  • the protection component 400 can provide support for the battery cell 200, so that the battery cell 200 and the bus part 300 are in contact with the bottom. A certain distance is maintained between 20, thereby ensuring the overall safety of the battery 2000 in the event of a bottom impact.
  • the battery cells 200 and the top 10 are bonded and fixed.
  • the battery cell 200 in the embodiment of the present application may be fixedly connected to the top 10. Specifically, it may be fixed by adhesive.
  • the adhesive connection can reduce the stress in the first direction Z when the battery cell 200 is connected to the top 10. The required size is reduced to reduce the overall thickness of the battery 2000. By firmly connecting the battery 200 to the top 10 , the strength of the battery top can be further improved.
  • the top 10 includes a top plate 11 and a frame 12 .
  • the frame 12 is arranged around the plurality of battery cells 200 .
  • the frame 12 is used to connect the top plate 11 and the bottom 20 .
  • the box 100 in the embodiment of the present application includes a top 10 and a bottom 20 that are interlocked with each other.
  • the top 10 can be composed of a top plate 11 and a frame 12 , where the top plate 11 can be perpendicular to the first direction.
  • the plane of Z extends, and the top plate 11 can be integrated on the chassis and other components of the battery 2000 to be connected; the frame 12 is parallel to the first direction Z and is arranged around the battery cell 200 and other components.
  • the frame 12 and the top plate 11 can be Fixed connection or detachable connection.
  • the frame 12 in the embodiment of the present application may extend a distance in the first direction Z that is greater than the distance the battery cells 200 , bus components 300 and protective components 400 extend in the first direction Z.
  • the bottom 20 It can be closed on the lower end of the frame 12 .
  • the frame 12 arranged around the battery cell 200 can provide side protection for the battery cell 200, improve its safety, and make processing easier.
  • Figure 7 is a schematic cross-sectional view of a battery provided in one embodiment of the present application.
  • Figure 8 is an enlarged view of area A in Figure 7.
  • Figure 9 is a protective assembly provided in one embodiment of the present application. Structural diagram.
  • the protection assembly 400 includes a plurality of protection members 40 extending along the second direction X.
  • the plurality of protection members 40 are spaced apart in the third direction Y, and the battery cells 200 are in contact with the protection members 40.
  • the first direction Z, the second direction X and the third direction Y are arranged to intersect with each other.
  • the protection assembly 400 in the embodiment of the present application may include a plurality of protection pieces 40 that are respectively in contact with a plurality of battery cells 200 to maintain a certain distance between the battery cells 200 and the bottom 20 of the box 100 , reducing the impact of impact on the bottom 20 on the battery 2000 .
  • the protective member 40 in the embodiment of the present application may be a surface provided with an electrode terminal 30 in contact with the battery cell 200 .
  • it may be a surface provided with an electrode terminal 30 in contact with each battery cell 200 .
  • the partial area of this surface that can bear force except the area where the electrode terminal 30 is located is in contact with the "shoulders" located on both sides of the electrode terminal 30 in the first direction Y on the surface.
  • the protective member 40 needs to be arranged in a corresponding position to the battery cell 200.
  • the plurality of battery cells 200 can be arranged in an array.
  • the protective member 40 can be arranged along the first The two directions X extend and are arranged along the third direction Y, forming strip structures arranged in parallel at intervals.
  • other protective parts 40 may be provided at positions where adjacent battery cells 200 meet, that is, each protective part 40 may be simultaneously provided adjacent to the third direction Y.
  • the two battery cells 200 are in contact with each other.
  • first direction Z, the second direction X and the third direction Y in the embodiment of the present application can be perpendicular to each other, forming a relatively regular structure that is easy to process.
  • the orthographic projection of the electrode terminal 30 on the bottom 20 is located between the orthographic projections of adjacent shields 40 on the bottom 20 .
  • the protection assembly 400 in the embodiment of the present application includes a plurality of protection pieces 40 that are in contact with the battery cells 200 , wherein the orthographic projection of the electrode terminals 30 in the battery cells 200 on the bottom 20 can be located at the same position. Between the adjacent protective members 40, when the protective member 40 is in contact with the shoulder of the battery cell 200, the connection between the electrode terminal 30 and the bus part 300 is not hindered by the protective assembly 400, and the battery cell 200 is protected. After the assembly 400 is set up, allowing the electrode terminals 30 to fall between adjacent protective pieces 40 can disperse the impact force to the multiple battery cells 200 and prevent the electrode terminals 30 from being damaged by impact.
  • the plurality of protectors 40 include edge protectors 41, first protectors 42, and second protectors 43.
  • the edge protectors 41 are disposed on the battery cells arranged in an array.
  • the first protective parts 42 and the second protective parts 43 are alternately distributed between the two edge protective parts 41 .
  • the protective member 40 in the embodiment of the present application may include three types of protective members respectively disposed at different positions.
  • the edge protective members 41 are disposed at the edges of the battery cells 200 , and third protective members are alternately disposed between the edge protective members 41 .
  • the first protective part 42 and the second protective part 43 may have different sizes to match a variety of different connectors in the bus part 300 and provide the required space for the connection between adjacent battery cells 200 .
  • the protective parts 40 in the embodiment of the present application may include multiple different sizes, and each protective part may be adjusted accordingly according to the length of the battery cell 200 and the positions of the electrode terminals 30 and the pressure relief structure 60 thereon. 40 in size.
  • each protective member 40 When each protective member 40 is in contact with multiple battery cells 200 , each protective member 40 may be in contact between two adjacent battery cells 200 .
  • the first protective member 42 The distance between the first protective member 42 and the second protective member 43 can be approximately the length of the battery cell 200 itself.
  • the alternately arranged first protective member 42 and the second protective member 43 can cooperate with the arrangement of the bus component 300 to form a safe and reliable electrical circuit. Connect the loop.
  • the extension length of the first protective component 42 is greater than the extension length of the second protective component 43 .
  • the first protective member 42 and the second protective member 43 in the embodiment of the present application may have different lengths in the direction in which they extend, and may be set through the gaps between adjacent second protective members 43.
  • a hard connection such as a busbar is formed between the battery cells 200 to electrically connect two adjacent battery cells 200 in the third direction Y through the connection. That is, by adjusting the position of the second protective member 43 The length and the spacing between adjacent second protective parts 43 in the second direction X are used to avoid the hard connections in the bus part 300 .
  • the first protective member 42 may have an extension length along the second direction X that is the same as the length of the inner cavity of the box 100 in this direction, that is, one piece, Completely extending inside the box 100 , or the first protective member 42 may be provided with a break opening in the second direction X to provide a corresponding connecting piece at the break opening. Arranging the connecting piece in the bus part 300 at the broken opening of the protective member 40 can also maintain a certain distance between the connecting piece and the bottom 20 to form impact protection and maintain insulation.
  • the width of the first guard 42 is greater than the width of the second guard 43
  • the width of the second guard 43 is greater than the width of the edge guard 41 .
  • the protector 40 in the embodiment of the present application may include an edge protector 41 disposed on the edge and first protectors 42 and second protectors 43 alternately provided between the edge protectors 41 , wherein the edge protector 41 is only connected to one
  • the battery cells 200 are in contact with each other, so their widths may be smaller than the first protective member 42 and the second protective member 43 , and the first protective member 42 and the second protective member 43 may be disposed at the connections between adjacent battery cells 200 , and is in contact with multiple battery cells 200 at the same time.
  • the width and position of each protective piece 40 in the protective assembly 400 can be designed according to the position and size of the partial area in the battery cell 200 that cannot overlap with the protective assembly 400 .
  • the width of the protective member 40 can be selected based on the pressure that the battery cell 200 can bear and the expected impact size
  • the position of the protective member 40 can be selected based on the positions of the electrode terminals 30 and the pressure relief mechanism 60 .
  • the extension length of the protective assembly 400 in the first direction Z is greater than 1.5 mm.
  • the protective assembly 400 in the embodiment of the present application needs to extend to a certain size in the first direction Z, that is, each protective piece 40 needs to have a certain thickness.
  • the protective assembly 400 is used to provide impact protection from the lower side of the battery cell 200 , therefore, the relationship between the thickness of the protective component 400 itself and the impact energy has a great impact on whether the battery 2000 will cause fire and explosion and other safety issues.
  • the protective component 400 needs to have a certain basic thickness to provide corresponding protection strength.
  • the overall thickness of the protection component 400 in the embodiment of the present application may be greater than 1.5 mm.
  • the protective assembly 400 further includes a connecting plate 50 , and a plurality of protective pieces 40 are respectively disposed on the surface of the connecting plate 50 facing the top 10 .
  • the plurality of protective pieces 40 in the embodiment of the present application can be connected and arranged on the same connecting plate 50 , and the connecting plate 50 is arranged close to the bottom 20 .
  • the connecting plate 50 can stabilize the relative position between the multiple protective pieces 40 and avoid misalignment after being hit.
  • the connecting plate 50 can be extended in the same direction as the bottom 20 and abutted with the bottom 20 . It can also be The grooves and the like provided on the bottom 20 further limit the position.
  • the connecting plate 50 is provided between the protective member 40 and the bottom 20 and extends to cover a larger area. This can improve the connection between the bus part 300 and the battery cell 200 and the box.
  • the thickness of the connecting plate 50 may be greater than 0.5 mm.
  • the frame 12 and the top plate 11 are connected by welding, hot-melt self-tapping, adhesive, or integrally formed.
  • the box 100 in the embodiment of the present application may include a top plate 11, a frame 12 and a bottom 20, where the frame 12 is arranged around the circumference of the battery cell 200.
  • the connection between the frame 12 and the top plate 11 is The connection can be a fixed connection, and the connection can be a welded connection, FDS (Flow drill screw, flow drill screw/hot melt self-tapping) connection or adhesive connection. This application does not impose specific restrictions on this. It only needs to ensure that the top plate 11 It is sufficient to have sufficient connection strength with the frame 12 .
  • the protective component 400 and the battery cell 200 are bonded and fixed.
  • the protective component 400 is in contact with the shoulder of the battery cell 200. At this time, the two can be bonded and fixed to further improve the overall strength and the stability of the connection, and avoid the impact of the protective component 400 and the battery cell. Dislocation occurs between the bodies 200.
  • each protective piece 40 in the protective assembly 400 can be bonded to a corresponding position on the battery cell 200, or at least part of the protective pieces 40 can be bonded to the battery cell 200, wherein it can be Includes edge guard 41.
  • the battery cell 200 further includes a pressure relief mechanism 60 , and the pressure relief mechanism 60 is disposed on the same side as the electrode terminal 30 .
  • the battery cell 200 in the embodiment of the present application may also have a pressure relief mechanism 60.
  • the pressure relief mechanism 60 may form a weak point when the battery cell 200 generates high pressure and expands, so that the internal pressure exceeding a certain threshold can be released from there. Relieve pressure to avoid serious safety issues such as explosion of the battery cell 200 as a whole. On this basis, the pressure relief mechanism 60 should avoid collisions as much as possible.
  • the pressure relief mechanism 60 is also arranged on the lower side of the battery cell 200 to protect it and the electrode terminal 30 together to avoid collision with the box 100 and so on. Improve the overall safety and reliability of battery 2000.
  • the orthographic projection of the pressure relief mechanism 60 on the bottom 20 is located between the orthographic projections of the adjacent protective components 40 on the bottom 20 .
  • the battery cell 200 in the embodiment of the present application also includes a pressure relief mechanism 60.
  • the pressure relief mechanism 60 can be disposed to be located adjacent to the protective member. 40 and the battery cell 200 are in contact with each other, that is, the pressure relief mechanism 60 is disposed on the side close to the bottom 20 and does not come into contact with the protective component 400, thereby dispersing the impact force to the battery when it is impacted by the outside.
  • the shoulders of the cell 200 prevent the pressure relief mechanism 60 from being damaged by collision, thereby improving the safety of the battery 2000.
  • the protective component 400 is made of insulating material, or the protective component 400 is coated with an insulating coating.
  • the protective component 400 in the embodiment of the present application is disposed between the bus part 300 and the bottom 20 to support the battery cell 200 and insulate the battery cell 200 and the bus part 300 from the bottom 20 to avoid electrical damage from the external environment. interference.
  • the protective component 400 can be made of an insulating material as a whole, thereby ensuring a good insulation effect; or, the protective component 400 can be coated with an insulating coating on a conductive material with a certain strength, thereby improving the The strength of the protective component 400 itself optimizes the protective effect, thereby improving the overall bearing capacity of the battery 2000 against bottom impact.
  • the battery 2000 further includes an adapter plate 70 and an adapter 80 .
  • the adapter plate 70 is disposed on one side of the box 100 and protrudes from the box 100 .
  • the adapter plate 70 and the bottom 20 The connection forms a receiving portion 90
  • the adapter 80 is disposed in the receiving portion 90 and connected to the adapter plate 70 .
  • the battery 2000 in the embodiment of the present application may also include an adapter plate 70 and an adapter 80.
  • the adapter plate 70 is connected to the box 100.
  • the box 100 has an opposite top 10 and a bottom 20 along the first direction Z.
  • the battery cells 200, bus components 300 and protection components 400 are arranged in the box 100 in sequence.
  • the adapter plate 70 is protrudingly arranged on one side of the box 100 along the third direction Y, and is connected with the top 10 in the first direction Z to form a receiving portion 90.
  • the adapter 80 is connected to the adapter plate 70 in the accommodating portion 90 , and the adapter 80 does not exceed the extension surface of the bottom 20 in the third direction Y.
  • the adapter plate 70 in the embodiment of the present application is a boss protruding from one side of the box 100 along the third direction Y, and is connected to the bottom 20 in the first direction Z. Specifically, it refers to the adapter plate. 70 has a difference in extension size from the box 100 in the first direction Z.
  • the accommodating portion 90 is a space created by this thickness difference and formed by the connecting surface of the adapter plate 70 and the box 100 for the adapter 80 to be disposed therein, and the adapter 80 is in the first direction Z
  • the extended dimension on is less than or equal to the extended dimension of the box 100 .
  • the adapter plate 70 in the embodiment of the present application can be perpendicular to or at a certain angle with the extension direction of the side wall of the box 100 , but cannot extend parallel to the box 100 so that there is a gap between the adapter plate 70 and the box 100
  • the adapter 80 is disposed in the receiving portion 90 .
  • the adapter plate 70 protrudes from the box 100 from one side of the box 100 , and is connected with the bottom 20 of the box 100 in the first direction Z to form a receiving portion 90 , that is, the receiving portion 90 is
  • the accommodation space is formed by the adapter plate 70 and the box 100 .
  • Arranging the adapter 80 in the receiving portion 90 can protect the adapter 80 and reduce the impact force received by the adapter 80 in a collision.
  • the adapter 80 may have an extended size that does not exceed the box 100 in the first direction Z, so that the adapter 80 is completely located within the accommodating portion 90 to avoid contact with external devices located in the circumferential direction of the battery 100 and reduce external impacts.
  • the adapter 80 affects the process of electrically connecting the battery cell 200 to an external device.
  • the side surface of the adapter plate 70 facing away from the accommodating portion 90 may be located on the same horizontal plane as the side surface of the top plate 11 facing away from the frame 12 , that is, the adapter plate 70 may be aligned with the top surface of the box 100 Located on the same horizontal plane, when the adapter plate 70 is integrated with the box, the adapter plate 70 can be formed by horizontally extending the top plate of the box 100 outward.
  • the adapter plate 70 and the top plate 11 may be fixed on the same surface of the external device, or the adapter plate 70 and the top plate 11 may be integrated with the same external device. Arranging one side surface of the adapter plate 70 and the top plate 11 to be located on the same horizontal plane can increase the stress strength of the two, so that the bearing capacity and top strength of the battery 2000 can be further improved.
  • the adapter plate 70 has a certain thickness in the first direction Z.
  • the side surface of the adapter plate 70 away from the box 100 may receive a certain impact force.
  • the adapter plate 70 is set to have a certain thickness, which can lift The stiffness of the adapter plate 70 itself, and the accommodating portion 90 supported by the adapter plate 70 and the box 100, can better protect the adapter 80.
  • the adapter plate 70 can be integrally formed with the box 100, or the adapter plate 70 can be positioned and connected to the box 100 through a fixed connection such as welding connection, adhesive connection or FDS connection. This application There is no specific limitation on this.
  • the adapter plate 70 in the embodiment of the present application has a first surface facing the accommodating part 90.
  • the box 100 has a second surface facing the accommodating part 90.
  • the first surface and the second surface may be perpendicular to each other, that is, the adapter plate 70 has a first surface facing the accommodating part 90.
  • the side surface of the plate 70 provided with the adapter 80 may be perpendicular to the side wall of the box 100 .
  • the adapter 80 is connected to the first surface and is spaced apart from the second surface. That is, the adapter 80 can start from the adapter plate 70 and extend along the first direction Z, so that it can overhang the accommodating portion 90 , are not in contact with the second surface, thereby reducing the possibility that the adapter 80 will be impacted in a collision.
  • using this structure can facilitate the electrical connection between the adapter 80 and other external devices, and compared with By arranging the adapter 80 in the horizontal direction, this structure can enable the adapter 80 to have better force-bearing performance.
  • the box 100 may also have a cooling channel buried inside. Based on the fact that the battery cell 200 is connected to the top 10 of the box 100 , the bottom and the top 10 of the battery cell 200 can be connected to each other. Contact heat transfer, in order to further improve the performance of the battery 2000, a cooling channel can be embedded in the top 10 at a position connected to the battery cell 200, through which the gas or liquid required for cooling can be passed, so that it can be achieved when the battery 2000 is working. Heat exchange plays a role in cooling, thereby extending the overall service life of the battery 2000 and making it suitable for a wider range of use.
  • the cooling channels may also be provided as multiple cooling plates between the battery cells 200 or between the battery cells 200 and the box 100 . These cooling plates are used for the inlets and outlets of the cooling medium. The outlets may be connected in a unified manner and connected to other components for storage, circulation, and heat dissipation of the cooling medium through through holes provided on the box 100 , which is not specifically limited in this application.
  • the embodiment of the present application provides a battery 2000, which includes a box 100.
  • the box 100 has a top 10 and a bottom 20 that interlock with each other.
  • the inside of the box 100 is sequentially directed from the top 10 to the bottom 20.
  • the battery cells 200, bus components 300 and protection components 400 are provided.
  • the battery cells 200 are placed upside down in the box 100 and connected to the top 10 .
  • the electrode terminals 30 and the pressure relief mechanism 60 of the plurality of battery cells 200 arranged in an array are arranged on the side close to the bottom 20 .
  • the busbar 300 and At least two electrode terminals 30 are electrically connected, and the protective assembly 400 is used to support the battery cell 200 and insulate it from the bottom 20 .
  • the protection assembly 400 includes edge protection parts 41 provided on both sides in the third direction Y and first protection parts 42 and second protection parts 43 alternately provided between the edge protection parts 41 , and along the second direction X,
  • the extended dimension of the second protective part 43 is less than or equal to the extended dimension of the first protective part 42.
  • the width of the first protective part 42 is greater than or equal to the width of the second protective part 43 and greater than or equal to the width of the edge protective part 41.
  • an embodiment of the present application further provides an electrical device, including the battery 2000 in any embodiment of the first aspect.
  • the battery 2000 can be used as a driving power supply or a control power supply for the electrical device.
  • the electrical device provided by the embodiment of the present application has all the beneficial effects of the battery 2000 mentioned above.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)
PCT/CN2022/101393 2022-02-21 2022-06-27 电池及用电装置 WO2024000085A1 (zh)

Priority Applications (15)

Application Number Priority Date Filing Date Title
EP22948210.4A EP4395033A1 (en) 2022-06-27 2022-06-27 Battery and electric apparatus
PCT/CN2022/101393 WO2024000085A1 (zh) 2022-06-27 2022-06-27 电池及用电装置
KR1020247010672A KR20240049622A (ko) 2022-06-27 2022-06-27 배터리 및 전기 장치
CN202280005916.9A CN116325320A (zh) 2022-06-27 2022-06-27 电池及用电装置
KR1020247018661A KR20240099426A (ko) 2022-02-21 2023-01-03 배터리 및 전기 장치
PCT/CN2023/070125 WO2023155620A1 (zh) 2022-02-21 2023-01-03 电池和用电装置
CN202380008512.XA CN116848705A (zh) 2022-02-21 2023-01-03 电池和用电装置
CN202380008510.0A CN116868417B (zh) 2022-02-21 2023-01-03 电池和用电装置
PCT/CN2023/070126 WO2023155621A1 (zh) 2022-02-21 2023-01-03 电池和用电装置
CN202380008506.4A CN116686151A (zh) 2022-02-25 2023-01-03 电池和用电装置
PCT/CN2023/070129 WO2023160252A1 (zh) 2022-02-25 2023-01-03 电池和用电装置
KR1020247018342A KR20240096639A (ko) 2022-02-25 2023-01-03 배터리 및 전기 장치
CN202320014583.8U CN219203337U (zh) 2022-02-21 2023-01-03 电池和用电装置
CN202320014525.5U CN219575787U (zh) 2022-02-25 2023-01-03 电池和用电装置
CN202320156067.9U CN219998375U (zh) 2022-06-27 2023-02-06 电池及用电装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/101393 WO2024000085A1 (zh) 2022-06-27 2022-06-27 电池及用电装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US18/622,205 Continuation US20240243406A1 (en) 2024-03-29 Battery and electrical apparatus

Publications (1)

Publication Number Publication Date
WO2024000085A1 true WO2024000085A1 (zh) 2024-01-04

Family

ID=86834555

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/101393 WO2024000085A1 (zh) 2022-02-21 2022-06-27 电池及用电装置

Country Status (4)

Country Link
EP (1) EP4395033A1 (ko)
KR (1) KR20240049622A (ko)
CN (2) CN116325320A (ko)
WO (1) WO2024000085A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117175122B (zh) * 2023-10-30 2024-03-29 宁德时代新能源科技股份有限公司 电池和用电装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006260905A (ja) * 2005-03-16 2006-09-28 Toyota Motor Corp 電池パック構造
JP2019192412A (ja) * 2018-04-20 2019-10-31 カルソニックカンセイ株式会社 組電池
CN114006124A (zh) * 2021-11-22 2022-02-01 北京胜能能源科技有限公司 一种动力电池及车辆
CN216354581U (zh) * 2021-09-29 2022-04-19 蜂巢能源科技有限公司 电池包的电芯模组和电池包
CN216389613U (zh) * 2021-11-08 2022-04-26 宁德时代新能源科技股份有限公司 电池包、车辆

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006260905A (ja) * 2005-03-16 2006-09-28 Toyota Motor Corp 電池パック構造
JP2019192412A (ja) * 2018-04-20 2019-10-31 カルソニックカンセイ株式会社 組電池
CN216354581U (zh) * 2021-09-29 2022-04-19 蜂巢能源科技有限公司 电池包的电芯模组和电池包
CN216389613U (zh) * 2021-11-08 2022-04-26 宁德时代新能源科技股份有限公司 电池包、车辆
CN114006124A (zh) * 2021-11-22 2022-02-01 北京胜能能源科技有限公司 一种动力电池及车辆

Also Published As

Publication number Publication date
KR20240049622A (ko) 2024-04-16
CN219998375U (zh) 2023-11-10
CN116325320A (zh) 2023-06-23
EP4395033A1 (en) 2024-07-03

Similar Documents

Publication Publication Date Title
WO2023207798A1 (zh) 热管理部件、电池及用电装置
US20230207946A1 (en) Case, battery, power consuming device, and method for assembling case
WO2023165377A1 (zh) 箱体结构、电池及用电装置
WO2024067310A1 (zh) 电池和用电装置
WO2024000085A1 (zh) 电池及用电装置
US20230395902A1 (en) Case of battery, battery and electrical device
EP4181281A1 (en) Battery, electric device, and method and device for preparing battery
US11581610B2 (en) Battery box, battery cell, battery, and method and apparatus for preparing battery box
WO2023207617A1 (zh) 采样组件、电池及用电装置
WO2023160030A1 (zh) 箱体、电池、用电装置以及制备电池的装置
WO2023134535A1 (zh) 电池模组及用电设备
WO2024000103A1 (zh) 电池以及用电装置
WO2023060714A1 (zh) 电池、用电设备、制造电池的方法和设备
US20240243406A1 (en) Battery and electrical apparatus
CN220628007U (zh) 缓冲结构、电池箱体、电池以及用电装置
CN219226401U (zh) 电池和用电装置
CN221353022U (zh) 电池包壳体、电池包和用电设备
WO2024031416A1 (zh) 电池以及用电装置
US20230163391A1 (en) Battery and related electrical device, preparation method and preparation device
WO2024031418A1 (zh) 电池、用电装置以及电池的成型方法
WO2024000096A1 (zh) 电池以及用电装置
WO2023070399A1 (zh) 电池、用电装置及电池的制造方法
WO2023070396A1 (zh) 电池、用电设备及电池的制造方法
CN219203305U (zh) 电池和用电装置
WO2024000093A1 (zh) 电池以及用电装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22948210

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2022948210

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 20247010672

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2401002166

Country of ref document: TH

ENP Entry into the national phase

Ref document number: 2022948210

Country of ref document: EP

Effective date: 20240327